Click through this gallery to learn about the most devastating mining accidents in human history, and the shocking death tolls they caused.

(Thomas Wieck/AFP/Getty Images) ** This episode was originally published on June 14, 2019. When Karl Marx offered his critique of capitalism in the mid-19th century, work was a brutal endeavour.

In the intervening 40 years increased fragmentation, sectarianism and cultural stereotyping diluted the early 19th-century working-class revolutionary impetus. The purpose of Marx and Engels’s ...

For years, The Tenement Museum in New York City's Lower East Side has become a living monument to the stories of 19th and early 20th-century working-class New Yorkers. The museum is housed in a former ...

For years, The Tenement Museum in New York City's Lower East Side has become a living monument to the stories of 19th and early 20th-century working-class New Yorkers. The museum is housed in a ...

For years, The Tenement Museum in New York City's Lower East Side has become a living monument to the stories of 19th and early 20th-century working-class New Yorkers. The museum is housed in a f ...